Rewrite the sentences keeping the same meaning, beginning as available

Rewrite the sentences keeping the same meaning, beginning as available
----- Nội dung dịch tự động từ ảnh -----
31. The weather is hotter than yesterday.
=> Yesterday
32.Mrs.Smith is younger than Ms. White.
=> Ms. White
33. The senior prom would be more exciting than any other
=> The senior prom
34.I think people in the countryside are friendlier than city dwellers.
=> I think city dwellers
35. This chair is more comfortable than that one.
=> That chair
36. Your flat is bigger than mine.
=> My flat
37. The Nile is the longest river in the world.
=> No river
38. Chinese bicycles are worse than Japanese ones.
=> Japanese bicycles
39. Mathematics is more difficult than English.
=> English
40. Ho Chi Minh city is the biggest city in Viet Nam.
proms.